Pharmacology Dopamine is preferred over dobutamine in treatment of shock with oliguria because:- A It has additional renal vasodilatory effect B It increases cardiac output C It causes peripheral vasoconstriction only D It has prolonged action 💡 Explanation Dopamine is preferred over dobutamine in treatment of shock with oliguria because:- ✓ Correct Answer: A. It has additional renal vasodilatory effect